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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2018
Revenue From Contracts With Customers [Abstract] |
Disaggregation Of Revenue [Table Text Block] |
| Emera Florida |  |  |  |  |  |  | Corporate | Inter- |  |
| and New |  |  | Emera | Emera | Emera | and | Segment |  |
millions of Canadian dollars | Mexico | NSPI | Maine | Caribbean | Energy | Other | Eliminations | Total
For the year ended December 31, 2018
Regulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential | $ | 1,384 | $ | 731 | $ | 107 | $ | 154 | $ | - | $ | - | $ | - | $ | 2,376
Commercial |  | 755 |  | 405 |  | 80 |  | 270 |  | - |  | - |  | - |  | 1,510
Industrial |  | 209 |  | 233 |  | 16 |  | 30 |  | - |  | - |  | - |  | 488
Other electric and regulatory deferrals |  | 312 |  | 43 |  | 9 |  | 7 |  | - |  | - |  | - |  | 371
Other (1) |  | 10 |  | 28 |  | 66 |  | 6 |  | - |  | - |  | (3) |  | 107
Regulated electric revenue | 2,670 |  | 1,440 |  | 278 |  | 467 |  | - |  | - |  | (3) |  | 4,852
Gas Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential |  | 492 |  | - |  | - |  | - |  | - |  | - |  | - |  | 492
Commercial |  | 291 |  | - |  | - |  | - |  | - |  | - |  | - |  | 291
Industrial |  | 49 |  | - |  | - |  | - |  | - |  | - |  | - |  | 49
Finance income (2)(3) |  | - |  | - |  | - |  | - |  | - |  | 57 |  | - |  | 57
Other |  | 155 |  | - |  | - |  | - |  | - |  | - |  | - |  | 155
Regulated gas revenue |  | 987 |  | - |  | - |  | - |  | - |  | 57 |  | - |  | 1,044
Non-Regulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Marketing and trading margin (4) | - |  | - |  | - |  | - |  | 115 |  | - |  | - |  | 115
Energy sales (4) |  | - |  | - |  | - |  | - |  | 309 |  | - |  | (16) |  | 293
Capacity |  | - |  | - |  | - |  | - |  | 136 |  | - |  | - |  | 136
Other |  | 18 |  | - |  | - |  | - |  | - |  | 47 |  | (35) |  | 30
Mark-to-market (3) |  | - |  | - |  | - |  | - |  | 54 |  | - |  | - |  | 54
Non-regulated revenue |  | 18 |  | - |  | - |  | - |  | 614 |  | 47 |  | (51) |  | 628
Total operating revenues | $ | 3,675 | $ | 1,440 | $ | 278 | $ | 467 | $ | 614 | $ | 104 | $ | (54) | $ | 6,524
(1) Other includes an immaterial amount of rental revenues, which do not represent revenue from contracts with customers.
(2) Revenue related to Brunswick Pipeline's service agreement with Repsol Energy Canada.
(3) Revenue which does not represent revenues from contracts with customers.
(4) Includes gains (losses) on settlement of energy related derivatives, which do not represent revenue from contracts with customers.

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